pdns/fstrm_logger.hh

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #pragma once
  23 #include "config.h"
  24 #include "remote_logger.hh"
  25
  26 #ifdef HAVE_FSTRM
  27
  28 #include <fstrm.h>
  29 #include <fstrm/iothr.h>
  30 #include <fstrm/unix_writer.h>
  31 #ifdef HAVE_FSTRM_TCP_WRITER_INIT
  32 #include <fstrm/tcp_writer.h>
  33 #endif
  34
  35 class FrameStreamLogger : public RemoteLoggerInterface, boost::noncopyable
  36 {
  37 public:
  38   FrameStreamLogger(int family, const std::string& address, bool connect);
  39   virtual ~FrameStreamLogger();
  40   virtual void queueData(const std::string& data) override;
  41   virtual std::string toString() const override
  42   {
  43     return "FrameStreamLogger to " + d_address;
  44   }
  45 private:
  46   const int d_family;
  47   const std::string d_address;
  48   struct fstrm_iothr_queue *d_ioqueue{nullptr};
  49   struct fstrm_writer_options *d_fwopt{nullptr};
  50   struct fstrm_unix_writer_options *d_uwopt{nullptr};
  51 #ifdef HAVE_FSTRM_TCP_WRITER_INIT
  52   struct fstrm_tcp_writer_options *d_twopt{nullptr};
  53 #endif
  54   struct fstrm_writer *d_writer{nullptr};
  55   struct fstrm_iothr_options *d_iothropt{nullptr};
  56   struct fstrm_iothr *d_iothr{nullptr};
  57
  58   void cleanup();
  59 };
  60
  61 #endif /* HAVE_FSTRM */